18F-FDG PET/CT 显示左前臂朗格汉斯细胞肉瘤。
Left Forearm Langerhans Cell Sarcoma Demonstrated by 18 F-FDG PET/CT.
机构信息
From the Department of Nuclear Medicine, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, People's Republic of China.
出版信息
Clin Nucl Med. 2022 Nov 1;47(11):998-999. doi: 10.1097/RLU.0000000000004351. Epub 2022 Jul 15.
Langerhans cell sarcoma is a rare neoplastic proliferation of Langerhans cells with a poor prognosis. We report FDG PET/CT findings of Langerhans cell sarcoma in the left forearm of a 77-year-old woman who presented with progressive enlargement of the left forearm mass for over 2 months. 18 F-FDG PET/CT demonstrated a high FDG uptake by the mass along with several FDG-avid enlarged lymph nodes in the left arm and axilla. Pathology examination of the biopsied specimen from the left forearm mass led to a diagnosis of Langerhans cell sarcoma.
朗格汉斯细胞肉瘤是一种罕见的朗格汉斯细胞肿瘤，预后不良。我们报告了一例 77 岁女性左前臂朗格汉斯细胞肉瘤的 FDG PET/CT 表现，患者因左前臂肿块进行性增大超过 2 个月就诊。18F-FDG PET/CT 显示肿块摄取大量 FDG，同时左上肢和腋窝有多个 FDG 摄取的肿大淋巴结。左前臂肿块活检标本的病理检查诊断为朗格汉斯细胞肉瘤。
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